Engine (4)

-€7.91

HASTINGS Replacement Piston Rings — 3.188 in bore

Complete set with top and second compression rings plus three-piece oil control rings; includes rings for two pistons.

€30.77 €38.68

-€5.57

HASTINGS Replacement Piston Rings — Bore 3.437"

Includes top and second compression rings plus three-piece oil control rings; barrel-face top rings and reverse-torsional second rings for improved sealing and oil economy. Includes enough rings for two pistons; two rings per groove unless noted.

€21.66 €27.23

-€5.47

HASTINGS Replacement Piston Rings — Bore 3.437", Oversize +0.010"

Replacement piston rings set restores sealing and oil control with barrel-face top rings, reverse-torsion second rings, and three-piece oil control rings. Includes enough rings for two pistons.

€21.26 €26.73

-€4.48

HASTINGS Replacement Piston Rings — Bore 3.437", Oversize +0.030"

Includes top and second compression rings plus three-piece oil control rings; enough for two pistons. Made in the USA.

€17.40 €21.88

$Replacement Piston Rings — Bore 3.437\" , Oversize +0.040\"$

-€4.48

HASTINGS Replacement Piston Rings — Bore 3.437\" , Oversize +0.040\"

Complete replacement ring set includes top, second, and three‑piece oil control rings for two pistons. Made in the USA.

€17.40 €21.88

-€4.16

HASTINGS Replacement Piston Rings — 3.498"

Includes top and second compression rings plus three-piece oil control rings; barrel-face top rings and reverse-torsion second rings improve sealing and oil economy. Made in the USA.

€16.15 €20.31

-€4.16

HASTINGS Replacement Piston Rings — Bore 3.498", Oversize +0.030"

Complete set of top, second, and oil control rings for two pistons.

Barrel-face top rings; reverse torsional second rings; three-piece oil control rails for reliable oil control and sealing.

Two rings per groove; follow piston instructions for correct ring end gap.

€16.15 €20.31

-€4.16

HASTINGS Piston Ring Set — 3.498" bore, +0.040" oversize

Includes top and second compression rings plus three-piece oil control rings; made in the USA. Includes enough rings for two pistons; two rings per groove.

€16.15 €20.31

-€3.10

HASTINGS Replacement Piston Rings — 3.498" bore, moly coated

Includes top, second, and oil control rings.
Top rings barrel face; second rings reverse torsional taper face.
Three-piece flex vent oil control rings for positive oil control.
Made in the USA; includes enough rings for two pistons; two rings per groove.

€12.02 €15.12

Replacement Piston Rings — 3.498" bore, +0.010" oversize, moly coated

-€3.39

HASTINGS Replacement Piston Rings — 3.498" bore, +0.010" oversize, moly...

Includes top and second compression rings plus three-piece flex vent oil control rings; two rings per groove (rails use two rails per expander); includes enough rings for two pistons; made in the USA.

€13.18 €16.57

-€3.92

HASTINGS Replacement Piston Rings — Bore 3.498", Oversize +0.020"

Complete set of top, second, and three-piece oil control rings; includes enough rings for two pistons and restores compression and oil control.

€15.26 €19.18

-€5.09

HASTINGS Replacement Piston Rings — 3.498" bore, +0.030" oversize

Complete piston ring set including top and second compression rings plus three-piece oil control rings; enough rings for two pistons, made in the USA.

€19.83 €24.92

-€4.47

HASTINGS Replacement Piston Rings — 3.000 in bore

Complete set for two pistons: top, second, and oil control rings.
Barrel face top rings and Napier second rings with reverse twist for improved sealing.
Three-piece Flex Vent oil rings with four steel rails and two expanders for positive oil control.
Made in the USA.

€17.38 €21.85

-€4.17

HASTINGS Replacement Piston Rings — 3.625" bore

Complete replacement piston ring set including top and second compression rings plus three-piece oil control rings. Includes rings for two pistons; made in the USA.

€13.79 €17.96

-€3.96

HASTINGS Replacement Piston Rings — 3.498" bore, +0.005" oversize

Complete set of top, second, and oil control rings for two pistons. Restores sealing and controls oil consumption.

€13.07 €17.03

-€5.30

HASTINGS Replacement Piston Rings — 3.875 in bore, +0.005 in oversize

Complete kit with top and second compression rings plus three-piece oil control rings; includes rings for two pistons.

€13.77 €19.07

Replacement Piston Rings — 3.437 in bore, +0.060 in oversize, Moly coated

-€5.34

HASTINGS Replacement Piston Rings — 3.437 in bore, +0.060 in oversize,...

Includes top and second compression rings plus three-piece oil control rings; barrel face top rings and reverse torsional second rings. Includes enough rings for two pistons. Made in the USA.

€20.81 €26.15

Transmission Side Cover Bolt Kit — Chrome

-€13.59
Out of Stock

GARDNER-WESTCOTT Transmission Side Cover Bolt Kit — Chrome

Durable hardware set for secure cover fastening. Made in the USA. Verify fitment before installation.

€52.90 €66.49

Transmission Side Cover Bolt Kit — socket-head, chrome

-€12.64
Out of Stock

GARDNER-WESTCOTT Transmission Side Cover Bolt Kit — socket-head, chrome

Complete bolt kit for transmission side cover; includes all necessary fasteners. Made in the USA.

€49.14 €61.78

-€20.07

GARDNER-WESTCOTT Primary and Derby Cover Bolt Kit — Chrome, Steel

Complete bolt kit for primary and derby cover. Made in the U.S.A.

€78.08 €98.15

-€29.61

GARDNER-WESTCOTT Motor Mount Kit — Chrome, Front

Durable engine support assembly made in the U.S.A., with precision components and complete hardware for secure mounting.

€115.11 €144.72

-€84.11

GARDNER-WESTCOTT Big Twin Motor Sets — Chrome, Silver

Complete motor set with all side covers and mounts
Includes lifter base timing plug and inner primary mount
Made in the U.S.A.

€327.08 €411.19

-€72.27

GARDNER-WESTCOTT Big Twin Motor Sets — Chrome, Silver, Polished

Complete Big Twin motor sets including all side covers, lifter base timing plug, inner primary mount, tip, and front and rear motor mounts. Made in the U.S.A.

€281.01 €353.28

-€82.78

GARDNER-WESTCOTT Big Twin Motor Sets — Chrome, Silver, Polished

Complete Big Twin motor sets with side covers, lifter base timing plug, inner primary mount, tip, and front and rear motor mounts. Made in the U.S.A.

€321.93 €404.71

-€1.40

GARDNER-WESTCOTT Timing Cover Bolt Kit — Chrome, Polished, Steel

Complete bolt kit for timing cover replacement. Made in the U.S.A.; includes necessary fasteners for service.

€5.48 €6.88

Handlebar Lever Switch Housing Master Cylinder Fastener — Handlebar lever mount, master cylinder, switch housing

-€7.48

GARDNER-WESTCOTT Handlebar Lever Switch Housing Master Cylinder Fastener —...

Durable precision fastener for secure component mounting. Made in the U.S.A.

€29.15 €36.63

-€1.32

GARDNER-WESTCOTT Fork Drain Plugs — For 41 mm tubes

Precision-machined drain plugs that simplify fork oil changes. Made in the USA.

€5.11 €6.43

-€40.91

GARDNER-WESTCOTT Side Cover Bolt Kit — Chrome

Includes cam, primary, oil hose cover and transmission side cover. Made in the U.S.A.

€159.03 €199.94

-€38.76

GARDNER-WESTCOTT Side Cover Bolt Kit — Chrome

Complete bolt kit for side covers; includes cam, primary, oil hose cover and transmission side cover.

€150.77 €189.53

-€5.23

GARDNER-WESTCOTT Transmission Top Cover w/Sensor Mount Bolt Kit — Chrome

Secures the transmission top cover and sensor mount with a precision fit. Made in the U.S.A.

€20.35 €25.58

shop by category

Engine

Subcategories

Complete Engines

Performance Kits

Internal Parts

Cooling

Gaskets & O-Rings

Camshafts

Contact us

Products

Our company

shop by category

Engine  

Subcategories

Complete Engines

Performance Kits

Internal Parts

Cooling

Gaskets & O-Rings

Camshafts

Engine